CN113686684A - Steel pipe stretching detection device with diameter adjustable structure and method thereof - Google Patents
Steel pipe stretching detection device with diameter adjustable structure and method thereof Download PDFInfo
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- CN113686684A CN113686684A CN202111247715.3A CN202111247715A CN113686684A CN 113686684 A CN113686684 A CN 113686684A CN 202111247715 A CN202111247715 A CN 202111247715A CN 113686684 A CN113686684 A CN 113686684A
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
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- G01N2203/0017—Tensile
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Abstract
The invention relates to the technical field of stretching detection equipment, and discloses a steel pipe stretching detection device with a diameter-adjustable structure and a method thereof, wherein the device comprises a base and a fixed seat arranged on one side of the upper end of the base, a wedge-shaped block is clamped at one end inside a hollow stretching rod, limit grooves are uniformly arranged on inclined walls at the upper end and the lower end of the wedge-shaped block, through holes are arranged at the upper end and the lower end of the stretching rod for clamping the limit rod, a limit ball is arranged at the tail end of the limit rod inside the stretching rod and movably clamped in the limit grooves, an L-shaped pull plate is arranged at one end of the wedge-shaped block close to a vertical plate, an air moving part is arranged on the outer wall of a side plate of the L-shaped pull plate and connected with an air pump on the outer wall of the vertical plate, the air pump is started to inflate an air cylinder to drive the piston rod to move, the piston rod pushes the L-shaped pull plate to pull the wedge-shaped block to move, the limit ball is pushed to compress a supporting spring, the length of the limit rod extending to the outside the through holes is controlled, and the limit ball is selectively clamped in the limit grooves, the limiting rod is inserted into the steel pipe through groove, and the steel pipes with different diameters are stretched and clamped.
Description
Technical Field
The invention relates to the technical field of stretching detection equipment, in particular to a steel pipe stretching detection device with a diameter adjustable structure and a method thereof.
Background
The steel pipe is used for conveying fluid and powdery solid, exchanging heat energy, manufacturing mechanical parts and containers, and is also an economic steel material. The development of steel pipe production technology begins with the rise of bicycle manufacturing industry, the development of petroleum in the early 19 th century, the manufacture of ships, boilers and airplanes in the two world war periods, the manufacture of electric-fire boilers after the second world war period, the development of chemical industry, the drilling, production and transportation of petroleum and natural gas and the like, and the development of the steel pipe industry on variety, yield and quality is strongly promoted. Steel pipes can be divided into two main categories according to production methods: the seamless steel pipe and the seamed steel pipe, and the seamed steel pipe is divided into a straight seam steel pipe and a spiral seam steel pipe.
The steel pipe needs to be subjected to stretch-proofing detection during production so as to ensure that the tensile strength of the steel pipe is qualified in production and can meet the safe use requirement of the steel pipe, and therefore, a steel pipe stretching detection device needs to be used for detecting the steel pipe. However, the mechanism for clamping and pulling the steel pipe of the existing steel pipe stretching detection device is mostly matched with the diameter of the steel pipe, the clamping mechanism can only clamp and stretch the steel pipe with one pipe diameter, once the diameter of the steel pipe is changed, the existing steel pipe stretching detection device cannot stretch and detect the steel pipe, and the use is inconvenient; in addition, the steel pipe has a risk of breakage during tensile detection, the broken steel pipe easily flies out to hurt people, and the conventional tensile detection device lacks a protection device for the broken steel pipe and has low use safety performance.
Therefore, a steel pipe stretching detection device with a diameter adjustable structure and a method thereof are provided.
Disclosure of Invention
The invention aims to provide a steel pipe stretching detection device with a diameter adjustable structure and a method thereof, and aims to solve the problems that in the prior art, a mechanism for clamping and pulling a steel pipe is mostly matched with the diameter of the steel pipe, the clamping mechanism can only clamp and stretch the steel pipe with one pipe diameter, once the diameter of the steel pipe is changed, the existing steel pipe stretching-resistant detection device cannot carry out stretching detection on the steel pipe, the steel pipe has the risk of breaking during stretching detection, the broken steel pipe is easy to fly out to hurt people, the existing stretching detection device is lack of a protection device for the broken steel pipe, and the use safety performance is low.
In order to achieve the purpose, the invention provides the following technical scheme: a steel pipe stretching detection device with a diameter adjustable structure comprises a base and a fixed seat arranged on one side of the upper end of the base, wherein a positioning piece is arranged on the side wall of the fixed seat, a U-shaped supporting platform is arranged at the upper end of the base adjacent to the positioning piece, a protection piece is arranged on the top end of the U-shaped supporting platform in a stretching mode, a mounting groove is formed in the upper end of the base adjacent to the U-shaped supporting platform, a movable stretching assembly is movably clamped inside the mounting groove, a driving motor is arranged on the side wall of the base on one side of the mounting groove, corresponding to the movable stretching assembly, the output end of the driving motor is fixedly connected with an adjusting screw rod, and the adjusting screw rod extends into the mounting groove and is in threaded connection with the lower portion of the movable stretching assembly;
the movable stretching assembly comprises a movable block movably clamped in an inner cavity of the mounting groove and a threaded hole formed in the side wall of the movable block, the threaded hole corresponds to the adjusting screw rod, the adjusting screw rod is in threaded sleeve connection with the inner part of the threaded hole, an integrated vertical plate is arranged at the upper end of the movable block, an air pump is arranged on the outer wall of one side of the vertical plate, a stretching rod is arranged on the outer wall of the other side of the vertical plate, the stretching rod corresponds to a groove in the top of the U-shaped supporting table, and the tail end of the stretching rod is fixedly connected with an aligning piece;
tensile pole is hollow structure, its inside one end activity block that is close to the piece of adjusting heart has the wedge, it is provided with the spacing groove to be provided with even interval respectively on the skew wall at both ends about the wedge, the through-hole has been seted up to both ends correspondence spacing groove department about the tensile pole, the inner chamber activity block of through-hole has the gag lever post, the gag lever post extends to the terminal fixedly connected with spacing ball of tensile pole inside, spacing ball activity block fits in the spacing inslot, and the winding is provided with supporting spring on the outer wall of gag lever post, its both ends are fixed connection respectively on spacing ball outer wall and tensile pole inner wall, the wedge is close to the one end of riser and is provided with L type arm-tie, be provided with pneumatic part on the curb plate outer wall of L type arm-tie, it is connected with the air pump that sets up on the riser outer wall.
Furthermore, the locating piece comprises a fixed plate connected with the fixed seat, a locating sleeve is arranged on the outer wall of the fixed plate, a powerful electromagnet is arranged on the inner wall of a corresponding port of the locating sleeve, locating plates are respectively and oppositely arranged on the inner walls of the upper end and the lower end of the port of the locating sleeve through elastic parts, the locating plates are of V-shaped structures, the side plates at the two ends of each locating plate are arranged in a long-short mode, and the short plates of the locating plates are suspended at the port of the locating sleeve.
Furthermore, the outer wall of one side, away from the elastic component, of the long positioning plate is evenly provided with mounting supports, the mounting supports are respectively and correspondingly arranged on two sides of the long positioning plate, the side walls of the opposite mounting supports are movably provided with rotating rollers, the rotating rollers are horizontally suspended in the positioning sleeves, and the end faces, away from one side of the positioning plate, of the rotating rollers are flush with V-shaped rotating angles of the positioning plate.
Further, U type saddle is hollow structure, and the draw-in groove has been seted up respectively at the support arm top at its recess both ends, and the absorption hole has evenly been seted up to the bottom of draw-in groove, and the well cavity of absorption hole intercommunication U type saddle is provided with evacuation equipment on the U type saddle lateral wall of well cavity one side, and evacuation equipment takes out a section of thick bamboo and is linked together with the well cavity of U type saddle, and the both ends of protection piece adsorb the block inside the draw-in groove through the absorption hole.
Further, the protection piece includes the block in the inside horizontal pole of draw-in groove, and the top of horizontal pole extends to the draw-in groove port outside, and is provided with the arc between the lateral wall of horizontal pole, and the lower extreme both sides of arc evenly are provided with the buffering gas post respectively, and the lower extreme fixedly connected with metal mesh of buffering gas post, metal mesh are the setting of arc structure, are provided with the elasticity net between its bottom both sides inner wall, and the elasticity net is suspended in the top recess of U type saddle.
Further, the pneumatic part is including setting up the mounting panel on the tensile pole inner wall, and the mounting panel sets up in the adjacent department of L type arm-tie curb plate, and is provided with the inflator on the outer wall that the mounting panel is close to L type arm-tie one side, and the inner chamber activity of inflator has cup jointed the piston rod, and the one end of piston rod extends to the inflator outside, and its end is connected with L type arm-tie curb plate, and sets up the air duct on the lateral wall that the piston rod one end was kept away from to the inflator, and the air duct is connected with the air pump on the riser outer wall.
Further, the air pump is used for extracting or supplementing the gas in the air cylinder, the piston rod is pushed to move, when the gas amount in the air cylinder is zero, the limiting ball is movably clamped in a limiting groove on the outer wall of the wedge block, the limiting groove is closest to the L-shaped pull plate, and the limiting rod is accommodated in the inner cavity of the through hole.
Further, the aligning piece includes fixed connection in tensile pole terminal fixed block, the fixed block is kept away from and is provided with electric telescopic handle on tensile pole one side outer wall, be provided with the protective sleeve on the outside fixed block outer wall of electric telescopic handle, protective sleeve ring cover is outside in electric telescopic handle, and be provided with the connecting block on the upper and lower both ends outer wall of protective sleeve port department respectively, there is the connecting strip through hinge swing joint on the outer wall of connecting block, be provided with integrative connecting rod on the terminal lateral wall of connecting strip respectively, the aligning ball has been cup jointed in the activity on the terminal outer wall of connecting rod, and the connecting strip of the adjacent department of connecting rod has the support bar through hinge swing joint, the other end swing joint of support bar is on the terminal outer wall of electric telescopic handle.
Furthermore, a pressure sensor is embedded on the outer wall of one side, close to the vertical plate, of the limiting rod, the pressure sensor is used for detecting the tensile force of the steel pipe during the breakage of tensile detection, and the pressure sensor is connected with a touch screen controller arranged on the side wall of the fixing seat through a built-in wireless connection module.
The invention provides another technical scheme: an implementation method of a steel pipe stretching detection device with a diameter adjustable structure comprises the following steps:
s1: two opposite through grooves are respectively cut and machined on two sides of one end of a steel pipe to be detected and used for clamping a limiting rod of a stretching rod, the machined steel pipe is placed in a groove of a U-shaped saddle, one end of the steel pipe, which is not provided with the through grooves, extends into a positioning sleeve, slides along a positioning plate to compress an elastic component and is clamped between rotating rollers on the outer wall of the positioning plate, and the tail end of the steel pipe is attached to a powerful electromagnet inside the positioning sleeve;
s2: then, the direction of the steel pipe is adjusted in a rotating mode, the through grooves at the other end of the steel pipe respectively correspond to the limiting rods at the tail ends of the limiting grooves, the powerful electromagnet is started to adsorb and fix the steel pipe, the driving motor is started to drive the adjusting screw rod to rotate, the adjusting screw rod is rotated and matched with the moving block to push the vertical plate to be close to the steel pipe, and the stretching rod extends into the port of the steel pipe;
s3: starting the electric telescopic rod to extend, and using the supporting bar to jack the connecting bar to deflect around the port of the protective sleeve when the electric telescopic rod extends and moves, so that the aligning ball on the outer wall of the tail end connecting rod of the electric telescopic rod is attached to the inner wall of the steel pipe to rotate, and the stretching rod is positioned at the center of the steel pipe;
s4: starting an air pump to inflate the interior of the air cylinder to push a piston rod to move, pushing an L-shaped pull plate to pull a wedge block to move, compressing a supporting spring by the wedge block through pushing a limiting ball to control the length of the limiting rod extending to the outside of the port of the through hole, and selectively clamping the limiting ball in a limiting groove on the outer wall of the wedge block according to the diameter of the steel pipe to enable the limiting rod to be inserted in a through groove at the port of the steel pipe;
s5: the vacuumizing device on the side wall of the U-shaped supporting platform is started to vacuumize a cavity in the vacuumizing device, the adsorption holes in clamping grooves at the tops of supporting arms at the two ends of the vacuumizing device are used for adsorbing a fixed cross rod, a metal net and an elastic net which are arranged on an arc plate and the lower end of the arc plate stretch over the top of a steel pipe in a hanging mode in a laminating mode, then the driving motor is started to drive the adjusting screw rod to rotate reversely, the adjusting screw rod is rotatably matched with the moving block to push the vertical plate to keep away from the steel pipe, the through groove at the port of the limiting rod clamping steel pipe is used for stretching and detecting the limiting rod, and stretching pressure is detected through the inner wall of the through groove of the steel pipe extruded by the pressure sensor on the side wall of the limiting rod.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a steel pipe stretching detection device with a diameter adjustable structure and a method thereof, wherein a stretching rod is of a hollow structure, one end of the interior of the stretching rod, which is close to an aligning piece, is movably clamped with a wedge block, the inclined walls at the upper end and the lower end of the wedge block are respectively provided with a limit groove at equal intervals, the upper end and the lower end of the stretching rod, which correspond to the limit grooves, are provided with through holes for movably clamping the limit rod, the tail end of the limit rod, which extends to the interior of the stretching rod, is fixedly connected with a limit ball, the limit ball is movably clamped in the limit groove, the outer wall of the limit rod is wound with a support spring, one end of the wedge block, which is close to a vertical plate, is provided with an L-shaped pulling plate, the outer wall of a side plate of the L-shaped pulling plate is provided with an air moving piece, which is connected with an air pump arranged on the outer wall of the vertical plate, the air pump is started to inflate the interior of an air cylinder to push the piston rod to move, the piston rod pushes the L-shaped pulling plate to pull the wedge block to move, the support spring by pushing the limit ball to compress the support spring, the limiting rod is controlled to extend to the length outside the port of the through hole, the limiting ball is selectively clamped in the limiting groove according to the diameter of the steel pipe, the limiting rod is inserted in the through groove in the port of the steel pipe, the steel pipes with different pipe diameters are stretched and clamped, and the steel pipe stretching clamp is convenient and practical.
2. The invention provides a steel tube stretching detection device with a diameter adjustable structure and a method thereof, wherein the tail end of a stretching rod is fixedly connected with an aligning piece, a fixed block is fixedly connected with the tail end of the stretching rod, an electric telescopic rod is arranged on the outer wall of one side of the fixed block, which is far away from the stretching rod, a ring sleeve protective sleeve is arranged on the outer wall of the fixed block outside the electric telescopic rod, connecting blocks are respectively arranged on the outer walls of the upper end and the lower end of the port of the protective sleeve, connecting strips are movably connected on the outer wall of the connecting block through hinges, connecting rods are respectively arranged on the side walls of the tail ends of the connecting strips, aligning balls are movably sleeved on the outer wall of the tail ends of the connecting rods, the connecting strips at the adjacent positions of the connecting rods are movably connected with a supporting strip through hinges, the other end of the supporting strip is movably connected on the outer wall of the tail end of the electric telescopic rod, the electric telescopic rod is started to extend, and the supporting strip is utilized to jack the connecting strip to deflect around the port of the protective sleeve when the electric telescopic rod extends and moves, make the aligning ball laminating steel pipe inner wall on its terminal connecting rod outer wall rotate, make tensile pole be located the center department of steel pipe, the logical groove on the gag lever post calibration grafting steel pipe port lateral wall of being convenient for improves the accuracy when the tensile steel pipe of gag lever post, convenient and fast.
3. The invention provides a steel pipe stretching detection device with a diameter adjustable structure and a method thereof, wherein a U-shaped saddle is of a hollow structure, the tops of support arms at two ends of a groove of the U-shaped saddle are respectively provided with a clamping groove, the bottom of the clamping groove is uniformly provided with an adsorption hole, the adsorption hole is communicated with a hollow cavity of the U-shaped saddle, the side wall of the U-shaped saddle at one side of the hollow cavity is provided with a vacuumizing device, a vacuumizing cylinder is communicated with the hollow cavity of the U-shaped saddle, a cross rod of a protection part is clamped in the clamping groove, the top of the cross rod extends to the outside of a port of the clamping groove, an arc-shaped plate is arranged between the side walls of the cross rod, two sides of the lower end of the arc-shaped plate are respectively and uniformly provided with buffer gas columns, the lower ends of the buffer gas columns are fixedly connected with a metal net which is arranged in an arc-shaped structure, an elastic net is arranged between the inner walls at two sides of the bottom of the metal net, the steel pipe is placed in the groove of the U-shaped saddle for stretching, the steel pipe is stretched across and suspended on the top of the steel pipe in a laminating way, the well cavity of vacuum pumping equipment evacuation U type saddle is started, utilizes the fixed horizontal pole of absorption hole absorption, receives the separation of elasticity net when the steel pipe bursts apart, strikes the metal mesh afterwards and promotes buffering gas column and cushion, finally adsorbs fixed horizontal pole cooperation arc through the absorption hole and will burst apart the steel pipe and stabilize and get off, avoids it to burst apart the risk of hurting the people, safe and reliable.
Drawings
FIG. 1 is a schematic view of the overall structure of a steel pipe stretching detection device with a diameter adjustable structure according to the present invention;
FIG. 2 is a schematic structural diagram of a mobile stretching assembly of the steel tube stretching detection device with a diameter adjustable structure according to the present invention;
FIG. 3 is a cross-sectional view of a stretching rod of the steel pipe stretching detecting apparatus having a diameter adjustable structure according to the present invention;
FIG. 4 is a schematic structural diagram of a centering member of the steel tube stretching detection device with a diameter adjustable structure according to the present invention;
FIG. 5 is a schematic structural diagram of a positioning member of the steel tube stretching detection device with a diameter adjustable structure according to the present invention;
FIG. 6 is an enlarged schematic view of the position A in FIG. 5 of the steel pipe stretching detecting device with a diameter adjustable structure according to the present invention;
FIG. 7 is a schematic view illustrating a protector mounting structure of the steel pipe stretching detecting apparatus having a diameter adjustable structure according to the present invention;
fig. 8 is an enlarged schematic structural view of a steel pipe stretching detection device with a diameter adjustable structure shown in fig. 7 at B.
In the figure: 1. a base; 2. a fixed seat; 3. a positioning member; 31. a fixing plate; 32. a positioning sleeve; 33. a powerful electromagnet; 34. an elastic member; 35. positioning a plate; 36. mounting a bracket; 37. rotating the roller; 4. a U-shaped saddle; 5. a guard; 51. a cross bar; 52. an arc-shaped plate; 53. a buffer gas column; 54. a metal mesh; 55. an elastic net; 6. mounting grooves; 7. moving the stretching assembly; 71. a moving block; 72. a threaded hole; 73. a vertical plate; 74. an air pump; 75. a stretch rod; 751. a wedge block; 752. a limiting groove; 753. a through hole; 754. a limiting rod; 755. a limiting ball; 756. a support spring; 757. an L-shaped pulling plate; 758. a pneumatic member; 7581. mounting a plate; 7582. an air cylinder; 7583. a piston rod; 7584. an air duct; 8. a drive motor; 9. adjusting the screw rod; 10. an alignment member; 101. a fixed block; 102. an electric telescopic rod; 103. a protective sleeve; 104. connecting blocks; 105. a connecting strip; 106. a connecting rod; 107. aligning balls; 108. a supporting strip; 11. a card slot; 12. an adsorption hole; 13. and (4) vacuumizing equipment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, a steel pipe stretching detection device with a diameter adjustable structure comprises a base 1 and a fixing seat 2 arranged on one side of the upper end of the base 1, wherein a positioning part 3 is arranged on the side wall of the fixing seat 2, a U-shaped saddle 4 is arranged on the upper end of the base 1 adjacent to the positioning part 3, a protection part 5 is arranged on the top end of the U-shaped saddle 4 in a crossing manner, a mounting groove 6 is formed in the upper end of the base 1 adjacent to the U-shaped saddle 4, a movable stretching component 7 is clamped in the mounting groove 6 in a movable manner, a driving motor 8 is arranged on the side wall of the base 1 on one side of the mounting groove 6 corresponding to the movable stretching component 7, an adjusting screw rod 9 is fixedly connected to the output end of the driving motor, the adjusting screw rod 9 extends into the mounting groove 6 and is in threaded connection with the lower part of the movable stretching component 7.
The movable stretching assembly 7 comprises a movable block 71 movably clamped in an inner cavity of the mounting groove 6 and a threaded hole 72 formed in the side wall of the movable block 71, the threaded hole 72 is arranged corresponding to the adjusting screw rod 9, the adjusting screw rod 9 is in threaded sleeve connection with the inside of the threaded hole 72, an integrated vertical plate 73 is arranged at the upper end of the movable block 71, an air pump 74 is arranged on the outer wall of one side of the vertical plate 73, a stretching rod 75 is arranged at the groove position of the top of the U-shaped supporting table 4 on the outer wall of the other side of the vertical plate 73, and the tail end of the stretching rod 75 is fixedly connected with a centering piece 10.
Referring to fig. 2 and 3, the stretching rod 75 is a hollow structure, a wedge 751 is movably clamped at one end of the stretching rod 75 close to the aligning member 10, limit grooves 752 are uniformly arranged on the inclined walls at the upper and lower ends of the wedge 751 at intervals, through holes 753 are arranged at the upper and lower ends of the stretching rod 75 corresponding to the limit grooves 752, a limit rod 754 is movably clamped in the inner cavity of the through hole 753, a limit ball 755 is fixedly connected to the end of the limit rod 754 extending into the stretching rod 75, the limit ball 755 is movably clamped in the limit groove 752, a support spring 756 is wound on the outer wall of the limit rod 754, the two ends of the support spring 756 are fixedly connected to the outer wall of the limit ball 755 and the inner wall of the stretching rod 75, an L-shaped pull plate 757 is arranged at one end of the wedge 751 close to the vertical plate 73, an air moving member 758 is arranged on the outer wall of the side plate of the L-shaped pull plate 757 and connected to an air pump 74 arranged on the outer wall of the vertical plate 73, the air pump 74 is started to inflate the interior of the air cylinder 7582 to push the piston rod 7583 to move, piston rod 7583 promotes L type arm-tie 757 pulling wedge 751 and removes, and wedge 751 compresses supporting spring 756 through promoting spacing ball 755, and control gag lever post 754 extends to the outside length of through-hole 753 port, according to the diameter size of steel pipe, selectively makes in spacing ball 755 block spacing groove 752, makes gag lever post 754 peg graft in the logical inslot of steel pipe port department, realizes the tensile centre gripping of the steel pipe of different pipe diameters, convenient and practical.
The pneumatic piece 758 comprises a mounting plate 7581 arranged on the inner wall of the stretching rod 75, the mounting plate 7581 is arranged at the adjacent position of the side plate of the L-shaped pulling plate 757, an air cylinder 7582 is arranged on the outer wall of the mounting plate 7581 close to one side of the L-shaped pulling plate 757, a piston rod 7583 is movably sleeved in the inner cavity of the air cylinder 7582, one end of the piston rod 7583 extends to the outside of the air cylinder 7582, the tail end of the piston rod 7582 is connected with the side plate of the L-shaped pulling plate 757, an air guide tube 7584 is arranged on the side wall of the air cylinder 7582 far away from one end of the piston rod 7583, the air guide tube 7584 is connected with an air pump 74 on the outer wall of the vertical plate 73, the air pump 74 is used for pumping or supplementing the air in the air cylinder 7582 and pushing the piston rod 7583 to move, and when the amount of the air in the air cylinder 7582 is zero, a limiting ball 755 is movably clamped in a limiting groove 752 closest to the outer wall 751 of the L-shaped pulling plate 757 on the outer wall of the wedge-shaped block, and a limiting rod 754 is accommodated in an inner cavity of a through hole 753, a pressure sensor is mounted on the outer wall of the side wall of the limiting rod 754 close to the vertical plate 73, the pressure sensor is used for detecting the tensile force when the steel pipe is stretched and detected to break, and is connected with a touch screen controller arranged on the side wall of the fixed seat 2 through a built-in wireless connection module.
Referring to fig. 1, 5 and 6, the positioning element 3 includes a fixing plate 31 connected to the fixing base 2, a positioning sleeve 32 is disposed on an outer wall of the fixing plate 31, a strong electromagnet 33 is disposed on an inner wall of the positioning sleeve 32 corresponding to the port, and the inner walls of the upper and lower ends of the port of the positioning sleeve 32 are respectively and oppositely provided with a positioning plate 35 through an elastic part 34, the positioning plate 35 is in a V-shaped structure, the side plates at the two ends of the positioning plate 35 are arranged in a long and short way, the short plate of the positioning plate 35 is suspended at the port of the positioning sleeve 32, the outer wall of the long plate of the positioning plate 35 far away from the elastic part 34 is evenly provided with mounting brackets 36, the mounting brackets 36 are respectively arranged at the two sides of the long plate of the positioning plate 35 correspondingly, and a rotating roller 37 is movably arranged between the side walls of the opposite mounting brackets 36, the rotating roller 37 is horizontally suspended in the positioning sleeve 32, and the end surface of the roller 37 far away from the positioning plate 35 is flush with the V-shaped corner of the positioning plate 35.
Referring to fig. 1, 7 and 8, the U-shaped pallet 4 is a hollow structure, the top of the support arms at the two ends of the groove are respectively provided with a clamping groove 11, the bottom of the clamping groove 11 is uniformly provided with an adsorption hole 12, the adsorption hole 12 is communicated with the hollow cavity of the U-shaped pallet 4, the side wall of the U-shaped pallet 4 at one side of the hollow cavity is provided with a vacuum pumping device 13, the vacuum pumping device 13 is communicated with the hollow cavity of the U-shaped pallet 4, and the two ends of the protection element 5 are adsorbed and clamped inside the clamping groove 11 through the adsorption hole 12.
The protection piece 5 is including block in the inside horizontal pole 51 of draw-in groove 11, the top of horizontal pole 51 extends to draw-in groove 11 port outside, and be provided with arc 52 between the lateral wall of horizontal pole 51, the lower extreme both sides of arc 52 evenly are provided with buffering gas column 53 respectively, the lower extreme fixedly connected with metal mesh 54 of buffering gas column 53, metal mesh 54 is the arc structure setting, be provided with elastic net 55 between its bottom both sides inner wall, elastic net 55 suspends in the top recess of U type saddle 4, the well cavity of starting evacuation equipment 13 evacuation U type saddle 4, utilize absorption hole 12 to adsorb fixed horizontal pole 51, receive elastic net 55 separation when the steel pipe collapses absolutely, impact metal mesh 54 afterwards and promote buffering gas column 53, it stabilizes disconnected steel pipe to adsorb fixed horizontal pole 51 cooperation arc 52 through absorption hole 12, avoid it to collapse the risk that the person of flying, safety and reliability.
Referring to fig. 2 and 4, the centering member 10 includes a fixing block 101 fixedly connected to the end of the stretching rod 75, an electric telescopic rod 102 is disposed on the outer wall of the fixing block 101 far away from the stretching rod 75, a protective sleeve 103 is disposed on the outer wall of the fixing block 101 outside the electric telescopic rod 102, the protective sleeve 103 is sleeved outside the electric telescopic rod 102, connecting blocks 104 are disposed on the outer walls of the upper and lower ends of the port of the protective sleeve 103, respectively, a connecting bar 105 is movably connected to the outer wall of the connecting block 104 through a hinge, an integrated connecting rod 106 is disposed on the side wall of the end of the connecting bar 105, a centering ball 107 is movably sleeved on the outer wall of the end of the connecting rod 106, the connecting bar 105 adjacent to the connecting rod 106 is movably connected to a supporting bar 108 through a hinge, the other end of the supporting bar 108 is movably connected to the outer wall of the end of the electric telescopic rod 102, the supporting bar 108 is used for jacking the connecting bar 105 to deflect around the port of the protective sleeve 103 when the electric telescopic rod 102 extends and moves, the aligning ball 107 on the outer wall of the tail end connecting rod 106 is attached to the inner wall of the steel pipe to rotate, so that the stretching rod 75 is located at the center of the steel pipe, the limiting rod 754 can calibrate the through groove in the side wall of the port of the inserted steel pipe conveniently, the accuracy of the limiting rod 754 in stretching the steel pipe is improved, and the steel pipe stretching device is convenient and fast.
In order to better show the steel pipe stretching detection device with the diameter adjustable structure, the implementation provides an implementation method of the steel pipe stretching detection device with the diameter adjustable structure, and the implementation method comprises the following steps:
the method comprises the following steps: two opposite through grooves are respectively cut and processed on two sides of one end of a steel pipe to be detected, the two opposite through grooves are used for clamping a limiting rod 754 of a stretching rod 75, the processed steel pipe is placed in a groove of a U-shaped saddle 4, one end of the steel pipe, which is not processed with the through grooves, extends into a positioning sleeve 32, slides along a positioning plate 35 to advance and compress an elastic component 34, and is clamped between rotating rollers 37 on the outer wall of the positioning plate 35, and the tail end of the steel pipe is attached to a powerful electromagnet 33 in the positioning sleeve 32;
step two: then, the direction of the steel pipe is adjusted in a rotating mode, the through grooves at the other end of the steel pipe respectively correspond to the limiting rods 754 at the tail ends of the limiting grooves 752, the powerful electromagnets 33 are started to adsorb and fix the steel pipe, the driving motor 8 is started to drive the adjusting screw rod 9 to rotate, the adjusting screw rod 9 rotates and is matched with the moving block 71 to push the vertical plate 73 to be close to the steel pipe, and the stretching rod 75 extends into the port of the steel pipe;
step three: starting the electric telescopic rod 102 to extend, and using the supporting bar 108 to jack the connecting bar 105 to deflect around the port of the protective sleeve 103 when the electric telescopic rod 102 extends and moves, so that the self-aligning ball 107 on the outer wall of the tail end connecting rod 106 of the electric telescopic rod rotates along with the inner wall of the steel pipe, and the stretching rod 75 is positioned at the center of the steel pipe;
step four: starting the air pump 74 to inflate the inside of the air cylinder 7582 to push the piston rod 7583 to move, pushing the L-shaped pull plate 757 by the piston rod 7583 to pull the wedge 751 to move, compressing the support spring 756 by pushing the limit ball 755 by the wedge 751 to control the length of the limit rod 754 extending to the outside of the port of the through hole 753, selectively clamping the limit ball 755 in the limit groove 752 on the outer wall of the wedge 751 according to the diameter of the steel pipe, and inserting the limit rod 754 in the through groove at the port of the steel pipe;
step five: the vacuumizing device 13 on the side wall of the U-shaped supporting table 4 is started to vacuumize the cavity in the U-shaped supporting table, the adsorption holes 12 in the clamping grooves 11 at the tops of the supporting arms at the two ends of the U-shaped supporting table are used for adsorbing the fixed cross rod 51, the arc-shaped plate 52 and the metal mesh 54 and the elastic mesh 55 arranged at the lower end of the arc-shaped plate span and are attached to and suspended at the top of the steel pipe, then the driving motor 8 is started to drive the adjusting screw rod 9 to rotate reversely, the moving block 71 in rotary fit with the adjusting screw rod 9 pushes the vertical plate 73 to be far away from the steel pipe, the limiting rod 754 is clamped with the through groove at the port of the steel pipe to stretch and detect the through groove inner wall of the steel pipe, and the stretching pressure is detected by extruding the pressure sensor on the side wall of the limiting rod 754.
In summary, the following steps: the invention provides a steel tube stretching detection device with a diameter adjustable structure and a method thereof.A stretching rod 75 is of a hollow structure, one end of the interior of the stretching rod is movably clamped with a wedge 751 near an aligning member 10, the inclined walls at the upper end and the lower end of the wedge 751 are respectively provided with a limit groove 752 at uniform intervals, the upper end and the lower end of the stretching rod 75 corresponding to the limit groove 752 are provided with a through hole 753 for movably clamping a limit rod 754, the limit rod 754 extends to the tail end inside the stretching rod 75 and is fixedly connected with a limit ball 755, the limit ball 755 is movably clamped in the limit groove 752, the outer wall of the limit rod 754 is wound with a support spring 756, one end of the wedge 751 near a vertical plate 73 is provided with an L-shaped pulling plate 757, the outer wall of a side plate of the L-shaped pulling plate 757 is provided with an air moving member 758 which is connected with an air pump 74 arranged on the outer wall of the vertical plate 73, the air pump 74 is started to inflate the interior of an air cylinder 7582 to push a piston rod 7583 to move, the piston rod 7583 pushes the L-shaped pulling plate 757 to pull the wedge 751 to move, the wedge-shaped block 751 compresses the supporting spring 756 by pushing the limiting ball 755, controls the length of the limiting rod 754 extending to the outside of the port of the through hole 753, selectively enables the limiting ball 755 to be clamped in the limiting groove 752 according to the diameter of the steel pipe, enables the limiting rod 754 to be inserted in the through groove at the port of the steel pipe, realizes the stretching and clamping of the steel pipes with different pipe diameters, and is convenient and practical; the U-shaped pallet 4 is of a hollow structure, clamping grooves 11 are respectively formed in the tops of support arms at two ends of a groove of the U-shaped pallet 4, adsorption holes 12 are uniformly formed in the bottoms of the clamping grooves 11, the adsorption holes 12 are communicated with a hollow cavity of the U-shaped pallet 4, vacuumizing equipment 13 is arranged on the side wall of the U-shaped pallet 4 on one side of the hollow cavity, a pumping cylinder of the vacuumizing equipment 13 is communicated with the hollow cavity of the U-shaped pallet 4, a cross rod 51 of a protection part 5 is clamped in the clamping groove 11, the top of the cross rod 51 extends to the outside of a port of the clamping groove 11, an arc-shaped plate 52 is arranged between the side walls of the cross rod 51, buffer air columns 53 are respectively and uniformly arranged on two sides of the lower end of the arc-shaped plate 52, a metal net 54 is fixedly connected to the lower end of each buffer air column 53, the metal net 54 is arranged in an arc-shaped structure, an elastic net 55 is arranged between the inner walls on two sides of the bottom, a steel pipe is placed in the groove of the U-shaped pallet 4 to be stretched, the elastic net 55 stretches across the top of the steel pipe in a hanging manner of the steel pipe in a laminating manner, and the hollow cavity of the U-shaped pallet 4 is vacuumized by starting the vacuumizing equipment 13, utilize absorption hole 12 to adsorb fixed horizontal pole 51, receive elasticity net 55 separation when the steel pipe bursts apart, strike metal mesh 54 afterwards and promote buffering gas column 53 and cushion, finally adsorb fixed horizontal pole 51 cooperation arc 52 through absorption hole 12 and will burst apart the steel pipe and stabilize, avoid it to burst away the risk of hurting the people, safe and reliable.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a tensile detection device of steel pipe with adjustable diameter structure, includes base (1) and sets up in fixing base (2) of base (1) upper end one side, is provided with setting element (3), its characterized in that on the lateral wall of fixing base (2): the upper end of the base (1) adjacent to the positioning piece (3) is provided with a U-shaped supporting platform (4), the top end of the U-shaped supporting platform (4) stretches across a protection piece (5), the upper end of the base (1) adjacent to the U-shaped supporting platform (4) is provided with a mounting groove (6), the inside of the mounting groove (6) is movably clamped with a movable stretching component (7), a driving motor (8) is arranged on the side wall of the base (1) on one side of the mounting groove (6) corresponding to the movable stretching component (7), the output end of the driving motor is fixedly connected with an adjusting screw rod (9), and the adjusting screw rod (9) extends into the mounting groove (6) and is in threaded connection with the lower part of the movable stretching component (7);
the movable stretching assembly (7) comprises a movable block (71) movably clamped in an inner cavity of the mounting groove (6) and a threaded hole (72) formed in the side wall of the movable block (71), the threaded hole (72) is arranged corresponding to the adjusting screw rod (9), the adjusting screw rod (9) is in threaded sleeve connection with the inside of the threaded hole (72), an integrated vertical plate (73) is arranged at the upper end of the movable block (71), an air pump (74) is arranged on the outer wall of one side of the vertical plate (73), a stretching rod (75) is arranged on the outer wall of the other side of the vertical plate corresponding to a groove in the top of the U-shaped supporting platform (4), and the tail end of the stretching rod (75) is fixedly connected with a centering piece (10);
the stretching rod (75) is of a hollow structure, a wedge-shaped block (751) is movably clamped at one end of the interior of the stretching rod close to the aligning piece (10), limit grooves (752) are uniformly arranged on inclined walls at the upper end and the lower end of the wedge-shaped block (751) at intervals respectively, a through hole (753) is formed at the upper end and the lower end of the stretching rod (75) corresponding to the limit grooves (752), a limit rod (754) is movably clamped in an inner cavity of the through hole (753), a limit ball (755) is fixedly connected to the tail end of the limit rod (754) extending into the interior of the stretching rod (75), the limit ball (755) is movably clamped in the limit groove (752), a support spring (756) is wound on the outer wall of the limit rod (754), two ends of the support spring are fixedly connected to the outer wall of the limit ball (755) and the inner wall of the stretching rod (75) respectively, an L-shaped pulling plate (757) is arranged at one end of the wedge-shaped block (751) close to the vertical plate (73), an air moving piece (758) is arranged on the outer wall of the L-shaped pulling plate (757), which is connected with an air pump (74) arranged on the outer wall of the vertical plate (73).
2. The steel pipe stretching detection device with the diameter adjustable structure as claimed in claim 1, wherein: the positioning piece (3) comprises a fixing plate (31) connected with the fixing seat (2), a positioning sleeve (32) is arranged on the outer wall of the fixing plate (31), a powerful electromagnet (33) is arranged on the inner wall of the corresponding port of the positioning sleeve (32), positioning plates (35) are respectively and oppositely arranged on the inner walls of the upper end and the lower end of the port of the positioning sleeve (32) through elastic parts (34), the positioning plates (35) are of V-shaped structures, the side plates at the two ends of the positioning plates (35) are arranged in a long-short mode, and the short plates of the positioning plates (35) are suspended at the port of the positioning sleeve (32).
3. The steel pipe stretching detection device with the diameter adjustable structure as claimed in claim 2, wherein: evenly be provided with installing support (36) on the outer wall of locating plate (35) long slab keep away from elastic component (34) one side, installing support (36) correspond respectively and set up in the both sides of locating plate (35) long slab, and the activity is provided with between the lateral wall of relative installing support (36) changes roller (37), changes roller (37) level suspension in location sleeve (32), and changes roller (37) and keep away from the terminal surface of locating plate (35) one side and locating plate (35) V word corner looks parallel and level.
4. The steel pipe stretching detection device with the diameter adjustable structure as claimed in claim 1, wherein: u type saddle (4) are hollow structure, draw-in groove (11) have been seted up respectively at the support arm top at its recess both ends, adsorption hole (12) have evenly been seted up to the bottom of draw-in groove (11), the well cavity of adsorption hole (12) intercommunication U type saddle (4), be provided with evacuation equipment (13) on the U type saddle (4) lateral wall of well cavity one side, evacuation equipment (13) take out a section of thick bamboo and be linked together with the well cavity of U type saddle (4), and the both ends of protection piece (5) are passed through adsorption hole (12) and are adsorbed the block inside draw-in groove (11).
5. The steel pipe stretching detection device with the diameter adjustable structure as set forth in claim 4, wherein: the protection piece (5) is including block in inside horizontal pole (51) of draw-in groove (11), the top of horizontal pole (51) extends to draw-in groove (11) port outside, and be provided with arc (52) between the lateral wall of horizontal pole (51), the lower extreme both sides of arc (52) evenly are provided with buffering gas column (53) respectively, the lower extreme fixedly connected with metal mesh (54) of buffering gas column (53), metal mesh (54) are the arc structure setting, be provided with elasticity net (55) between its bottom both sides inner wall, elasticity net (55) are suspended in the top recess of U type saddle (4).
6. The steel pipe stretching detection device with the diameter adjustable structure as claimed in claim 1, wherein: the pneumatic piece (758) comprises a mounting plate (7581) arranged on the inner wall of the stretching rod (75), the mounting plate (7581) is arranged at the position adjacent to the side plate of the L-shaped pulling plate (757), an air cylinder (7582) is arranged on the outer wall of one side, close to the L-shaped pulling plate (757), of the mounting plate (7581), a piston rod (7583) is movably sleeved in the inner cavity of the air cylinder (7582), one end of the piston rod (7583) extends to the outside of the air cylinder (7582), the tail end of the piston rod is connected with the side plate of the L-shaped pulling plate (757), an air guide pipe (7584) is arranged on the side wall of one end, far away from the piston rod (7583), of the air cylinder (7582), and the air guide pipe (7584) is connected with an air pump (74) on the outer wall of the vertical plate (73).
7. The steel pipe stretching detection device with the diameter adjustable structure as set forth in claim 6, wherein: the air pump (74) is used for pumping or supplementing air in the air cylinder (7582) and pushing the piston rod (7583) to move, when the amount of the air in the air cylinder (7582) is zero, the limiting ball (755) is movably clamped in the limiting groove (752) which is closest to the L-shaped pull plate (757) on the outer wall of the wedge-shaped block (751), and the limiting rod (754) is accommodated in the inner cavity of the through hole (753).
8. The steel pipe stretching detection device with the diameter adjustable structure as claimed in claim 1, wherein: the aligning member (10) comprises a fixed block (101) fixedly connected with the tail end of the stretching rod (75), an electric telescopic rod (102) is arranged on the outer wall of one side of the fixed block (101) far away from the stretching rod (75), a protective sleeve (103) is arranged on the outer wall of the fixed block (101) outside the electric telescopic rod (102), the protective sleeve (103) is sleeved outside the electric telescopic rod (102), and the outer walls of the upper end and the lower end of the port of the protective sleeve (103) are respectively provided with a connecting block (104), the outer wall of the connecting block (104) is movably connected with a connecting strip (105) through a hinge, the side walls of the tail ends of the connecting strips (105) are respectively provided with an integrated connecting rod (106), the outer wall of the tail end of the connecting rod (106) is movably sleeved with a self-aligning ball (107), and the connecting bar (105) at the adjacent position of the connecting rod (106) is movably connected with a supporting bar (108) through a hinge, and the other end of the supporting bar (108) is movably connected to the outer wall of the tail end of the electric telescopic rod (102).
9. The steel pipe stretching detection device with the diameter adjustable structure as claimed in claim 1, wherein: a pressure sensor is embedded and installed on the outer wall of one side, close to the vertical plate (73), of the limiting rod (754), the pressure sensor is used for detecting the tensile force generated when the steel pipe is stretched and detected to break, and the pressure sensor is connected with a touch screen controller arranged on the side wall of the fixing seat (2) through a built-in wireless connection module.
10. An implementation method of a steel pipe stretching detection device with a diameter adjustable structure is characterized in that: the method comprises the following steps:
s1: two opposite through grooves are respectively cut and machined on two sides of one end of a steel pipe to be detected, the two opposite through grooves are used for clamping a limiting rod (754) of a stretching rod (75), the machined steel pipe is placed in a groove of a U-shaped saddle (4), one end of the steel pipe, which is not provided with the through grooves, extends into a positioning sleeve (32), slides along a positioning plate (35) to advance to compress an elastic component (34) and is clamped between rotating rollers (37) on the outer wall of the positioning plate (35), and the tail end of the steel pipe is attached to a strong electromagnet (33) in the positioning sleeve (32);
s2: then, the direction of the steel pipe is adjusted in a rotating mode, the through grooves at the other end of the steel pipe respectively correspond to the limiting rods (754) at the tail ends of the limiting grooves (752), the powerful electromagnets (33) are started to adsorb and fix the steel pipe, the driving motor (8) is started to drive the adjusting screw rods (9) to rotate, the adjusting screw rods (9) are rotationally matched with the moving blocks (71) to push the vertical plates (73) to be close to the steel pipe, and the stretching rods (75) extend into the ports of the steel pipe;
s3: starting the electric telescopic rod (102) to extend, and when the electric telescopic rod (102) extends and moves, jacking the connecting bar (105) by using the supporting bar (108) to deflect around the port of the protective sleeve (103), so that the aligning ball (107) on the outer wall of the tail end connecting rod (106) of the electric telescopic rod is attached to the inner wall of the steel pipe to rotate, and the stretching rod (75) is positioned at the center of the steel pipe;
s4: starting an air pump (74) to inflate the inside of an air cylinder (7582) to push a piston rod (7583) to move, pushing an L-shaped pull plate (757) by the piston rod (7583) to pull a wedge block (751) to move, compressing a supporting spring (756) by the wedge block (751) through pushing a limiting ball (755), controlling the length of the limiting rod (754) extending to the outside of the port of the through hole (753), and selectively clamping the limiting ball (755) in a limiting groove (752) on the outer wall of the wedge block (751) according to the diameter of the steel pipe to enable the limiting rod (754) to be inserted in a through groove at the port of the steel pipe;
s5: vacuum pumping equipment (13) on the side wall of the U-shaped supporting table (4) is started to vacuumize a cavity in the U-shaped supporting table, a fixed cross rod (51) is adsorbed by utilizing adsorption holes (12) in clamping grooves (11) at the tops of two ends of the supporting arms, a metal net (54) and an elastic net (55) which are arranged on an arc-shaped plate (52) and the lower end of the arc-shaped plate span the top of a steel pipe in a laminating and suspending mode, then a driving motor (8) is started to drive an adjusting screw rod (9) to rotate reversely, the adjusting screw rod (9) is rotationally matched with a moving block (71) to push a vertical plate (73) to be away from the steel pipe, a through groove at the port of a limiting rod (754) clamping steel pipe is used for stretching detection, and stretching pressure is detected through the inner wall of the through groove of the steel pipe extruded by a pressure sensor on the side wall of the limiting rod (754).
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| CN114670472A (en) * | 2022-04-08 | 2022-06-28 | 吕春梅 | Automatic continuous production device for glass fiber reinforced plastic grating |
| CN114700662A (en) * | 2022-06-06 | 2022-07-05 | 广东尚赢建设有限公司 | Reinforcing bar rack welding equipment |
| CN114776939A (en) * | 2022-05-18 | 2022-07-22 | 常州威曼新能源有限公司 | Support base and protective outer cover for diesel engine |
| CN116793845A (en) * | 2023-07-03 | 2023-09-22 | 徐州道亨机械科技有限公司 | Joint tension detection device |
| CN117589590A (en) * | 2024-01-18 | 2024-02-23 | 江苏宣胜金属科技有限公司 | Pressure testing device for manufacturing seamless steel tube |
| CN117890191A (en) * | 2024-01-19 | 2024-04-16 | 长沙荷花建设工程质量检测有限责任公司 | Stretching and holding structure and construction engineering detection equipment using same |
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| CN117589590B (en) * | 2024-01-18 | 2024-03-22 | 江苏宣胜金属科技有限公司 | Pressure testing device for manufacturing seamless steel tube |
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